3SK252 Datasheet, PDF (2/6 Pages) NEC – RF AMPLIFIER FOR CATV TUNER N-CHANNEL Si DUAL GATE MOS FIELD-EFFECT TRANSISTOR 4 PINS MINI MOLD

3SK252
ELECTRICAL CHARACTERISTICS (TA = 25 °C)
CHARACTERISTIC
Drain to Source Breakdown Voltage
Drain Current
Gate1 to Source Cutoff Voltage
Gate2 to Source Cutoff Voltage
Gate1 Reverse Current
Gate2 Reverse Current
SYMBOL
BVDSX
IDSX
VG1S(off)
VG2S(off)
IG1SS
IG2SS
MIN.
18
0.1
–1.0
0
Forward Transfer Admittance
|yfs|
14
Input Capacitance
Ciss
2.4
Output Capacitance
Coss
0.9
Reverse Transfer Capacitance
Crss
Power Gain
Gps
16
Noise Figure 1
NF1
Noise Figure 2
NF2
TYP.
0
0.5
18
2.9
1.2
0.01
19
2.0
0.8
MAX.
5.0
+1.0
1.0
±20
±20
23
3.4
1.5
0.03
22
3.0
2.3
UNIT
V
mA
V
V
nA
nA
mS
pF
pF
pF
dB
dB
dB
TEST CONDITIONS
VG1S = VG2S = –2 V, ID = 10 µA
VDS = 3.5 V, VG2S = 3 V, VG1S = 0.75 V
VDS = 3.5 V, VG2S = 3 V, ID = 10 µA
VDS = 3.5 V, VG1S = 3 V, ID = 10 µA
VDS = 0, VG2S = 0, VG1S = ±6 V
VDS = 0, VG1S = 0, VG2S = ±6 V
VDS = 3.5 V, VG2S = 3 V, ID = 7 mA
f = 1 kHz
VDS = 3.5 V, VG2S = 3 V, ID = 7 mA
f = 1 MHz
VDS = 3.5 V, VG2S = 3 V, ID = 7 mA
f = 470 MHz
VDS = 3.5 V, VG2S = 3 V, ID = 7 mA
f = 55 MHz
IDSX Classification
Rank
Marking
IDSX (mA)
U1E/UAE*
U1E
0.1 to 5.0
* Old Specification / New Specification
2